... Design service Input:3 phase true value for 32 parameter measuring Applicate in power ... building automation DW series 3-phase True Effective Value Energy Meter(RMS)DW/MDW 3-line ... LED display 1) Input:true value single/three phase measure(bandwidth: up to 2 ... inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, ...